While air fresheners might seem like a good way to make your house smell nice, particularly around a cat’s litter box, air freshener toxic chemicals can cause serious health problems for your cat.
The chemicals irritate the mucus membranes and breathing passages of your kitty, and they can cause even more serious long-term problems if they contain volatile organic compounds (VOCs), which are carbon-based compounds that remain in the air of your home even after a spray evaporates.
The most dangerous situation is when the cat ingests air freshener. Whether it's a solid air freshener or a liquid one packed with essential oils, if your cat eats it, then you are dealing with a medical emergency.
Even using a mildly toxic air freshener in the house might be harmful to your cat. Immediate effects may not be visible, which gives cat owners no reason to stop using the toxic substances.